7920896 has 18 divisors (see below), whose sum is σ = 15811362. Its totient is φ = 3960320.

The previous prime is 7920893. The next prime is 7920949. The reversal of 7920896 is 6980297.

It can be written as a sum of positive squares in only one way, i.e., 6071296 + 1849600 = 2464^2 + 1360^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7920893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215 + ... + 15726.

It is an arithmetic number, because the mean of its divisors is an integer number (878409).

Almost surely, 2^7920896 is an apocalyptic number.

It is an amenable number.

7920896 is a deficient number, since it is larger than the sum of its proper divisors (7890466).

7920896 is an equidigital number, since it uses as much as digits as its factorization.

7920896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30957 (or 30943 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 7920896 is about 2814.4086412602. The cubic root of 7920896 is about 199.3386152621.

The spelling of 7920896 in words is "seven million, nine hundred twenty thousand, eight hundred ninety-six".